White Grain (natural granite)

1) Chinese granite, granite slab, grantie tile
2) Polished big slab, 2cm of thickness
3) Used for the indoor and outdoor decoration with the graceful, unique and
    classical effect 
4) This wonderful material is widely used in hotels, restaurants, houses and
    public building

Some details of  White Grain as follow:

Physical state :

shore scleroscope hardness(HSD):  115

bulk density:                                   2.63g/m³ 

water absorption:                             0.37

Chemical composition:

SiO :                                               61.7

Cao:                                               1.86

Mgo :                                              1.22

Na₂O :                                            3.66

Fe₂O_{3 :}                                                           1.58